/*
 * XUnixPlatform.java
 * 
 * Copyright (c) 2006 - 2007
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.xfc.util.platform;

import java.io.IOException;
import java.net.URL;

import org.xfc.XApp;

// TODO: Unix / Linux platform classes

// TODO: let the developer query as to whether gnome, KDE, ...


/**
 * 
 * 
 * @author Devon Carew
 */
public class XUnixPlatform
	extends XDefaultPlatform
{
	
	XUnixPlatform(XApp app)
	{
		
	}

	public void showInBrowser(URL url)
		throws IOException
	{
		String[] browsers = { "firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape" };

		String browser = null;

		for (int count = 0; count < browsers.length && browser == null; count++)
		{
			try
			{
				if (Runtime.getRuntime().exec(new String[] { "which", browsers[count] }).waitFor() == 0)
				{
					browser = browsers[count];
					break;
				}
			}
			catch (InterruptedException ie)
			{
				
			}
		}
		
		if (browser == null)
			throw new IOException("no browser available");

		String urlString = url.toExternalForm();
		
		Process process = Runtime.getRuntime().exec(new String[] { browser, urlString });
		
		// We need to read from the processes stdout and stderr until it exits, to make sure
		// that it doesn't block from filling up its io stream buffers.
		readFromProcessStreams(process);
	}
	
}
